---Susan, why are you still here? They are all ready to start.---I’m sorry, but I _________ when to start.
--Would you please give me a hand and take the bookcase upstairs? -- _____.
The plane from Shanghai to Paris will __________ in an hour.
“Red envelope” fever on WeChat_ _ the country since January 26, 2015.
—“Ordinary World”, Lu Yao’s famous novel, please! —Sorry, it ____________just now. But it will come out again soon.
The teacher encourages her students ____ English as much as possible.